Cool MateBrilliant vs You are a proper genius
When to use each in English, with meaning, register, and examples.
Brilliant
Top 1,000 (very common)A2adjective
You are a proper genius
InformalTop 2,000 (common)
Most formal: BrilliantMost common: Brilliant
| Brilliant | You are a proper genius | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈbrɪliənt/"]/🇺🇸 /["/ˈbrɪliənt/"]/ | 🇬🇧 //jʊ ɑːr ə ˈprɒpə ˈdʒiːniəs//🇺🇸 //jʊ ɑr ə ˈprɑːpər ˈdʒiːniəs// |
| Meaning | Very bright or smart. | You are very smart. |
| Example | That was a brilliant performance by the actor. | You are a proper genius when it comes to solving math problems. |
| Register | Neutral | Informal |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A2 | - |
| Part of speech | adjective | |
| Collocations | be, look, just, really, truly, at, be, look, just, really, truly, at, be, look, just, really, truly, at | proper understanding, proper respect, proper explanation, proper planning, proper credit |
| Antonyms | dull, dim, stupid | - |
| Common mistakes | 'Brilliant' is often confused with 'good' – 'brilliant' conveys a much stronger positive meaning., Some learners use 'brilliant' as a verb instead of an adjective., Mixing it up with 'brilliance', which is a noun. | Confused with 'proper' as a negative term., Overusing 'genius' for less impressive intelligence., Mispronouncing 'proper' as pro-per instead of prop-er. |
| Usage notes | Use 'brilliant' to describe something very intelligent or something that shines brightly. It's suitable for both formal and informal contexts but may sound overly grand in casual situations. | Used in relaxed contexts to praise someone's intelligence or cleverness, often in a light-hearted or humorous way. Not typically used in formal settings. |
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Frequently asked questions: Brilliant vs You are a proper genius
What's the difference between Brilliant and You are a proper genius?
Brilliant: Very bright or smart. You are a proper genius: You are very smart.
Which is more formal: Brilliant and You are a proper genius?
Brilliant is the most formal of these.
Which is more common: Brilliant and You are a proper genius?
Brilliant is the most common in everyday English.
Can you show an example of each?
Brilliant: That was a brilliant performance by the actor. You are a proper genius: You are a proper genius when it comes to solving math problems.
Can I use Brilliant and You are a proper genius interchangeably?
Not always. Brilliant and You are a proper genius are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.